The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 06, 2007
Filed:
Sep. 23, 2004
Ryoji Inoue, Tokyo, JP;
Hiroyuki Ishinaga, Tokyo, JP;
Hideki Ogura, Tokyo, JP;
Nobuyuki Kuwabara, Tokyo, JP;
Tetsuya Ohashi, Tokyo, JP;
Ryoji Inoue, Tokyo, JP;
Hiroyuki Ishinaga, Tokyo, JP;
Hideki Ogura, Tokyo, JP;
Nobuyuki Kuwabara, Tokyo, JP;
Tetsuya Ohashi, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink supply system in which gas is promptly and smoothly discharged without having a complex structure. The ink supply system includes a hermetically-sealed structure communicating with a liquid-using section, a liquid accommodating section having a liquid storage adapted to store liquid, the liquid accomodating section including a negative pressure generation means, and a plurality of communication paths, including first and second communication paths, that facilitates communication between the liquid chamber and the liquid accommodating section. Each of the first and second communication paths includes a liquid chamber side opening extending into the liquid chamber and a liquid accommodating section side opening extending into the liquid accommodating section. The liquid chamber side opening of the first communication path extends substantially further into the liquid chamber than the liquid chamber side opening of the second communication path, and the liquid accommodating section side opening of the second communication path extends substantially further into the liquid accommodating section than the liquid accommodating section side opening of the first communication path.